public void should_compute_dark_roast_with_sugar()
{
var darkRoast = new DarkRoast(false, true);
var totalAmount = darkRoast.Cost();
Assert.Equal(15.00, totalAmount);
}
public void should_compute_the_cost_of_dark_roast()
{
var darkRoast = new DarkRoast(false, false);
Assert.Equal(10, darkRoast.Cost());
}